People on TikTok are stunned that 29 multiplied by 3 is 87. Number values can be very psychological, "sounding" one way while being another. Division rules and common core principles can help unwire ...

When you think back on elementary school math, do you have fond memories of the countless worksheets you completed on adding fractions or solving division problems? Probably not. Researchers and ...

Time to test your brain! Are you a puzzle person? Most of these hard math problems aren’t straightforward arithmetic. They challenge you to look at problems a different way, testing your logic and ...

Student work posted in an elementary school before the pandemic shows the “partial product” method of solving a multiplication problem, one of many methods students have learned with Common Core.

Clarissa A. Thompson receives funding from the U.S. Department of Education (Institute of Education Sciences). Marta Mielicki receives funding from the U.S. Department of Education (Institute of ...

Why did the approach to mathematics change with Common Core, rather than providing more structure to how it was previously taught? originally appeared on Quora: the place to gain and share knowledge, ...